Police found no one inside 880 Lark Drive after they followed a robot into the residence Thursday in search of a reported armed gunman.

A resident had reported a home invasion at 1:35 p.m. When officers arrived, they were told a man armed with a gun was inside, Officer Steve Smith said.

A decision was made to deploy the police Emergency Services Team and close Lark Drive to traffic. Neighbors were and advised to stay inside.

The police left the scene at about 6:30 p.m., nearly five hours after getting the call.

Given the situation where an unknown person was holed up inside the two-story home, police acted responsibly to ensure the safety of officers and neighbors, Smith said.

"You're not over-responding any time you're facing this situation. We had the resources available to us," Smith said following the standoff.

The case has been turned over to detectives and is considered an active investigation. It is not known if someone was inside and left before police arrived.

For most of the afternoon, officers surrounded the residence with drawn weapons. An armored vehicle pulled into the driveway to provide cover for officers, who wore combat helmets and bulletproof vests.